Description Fits any development board with a built-in microSD card holder Easily exchange data between your microcontroller and computer Use your microcontroller to data-log to this MicroSD card The 8 GB MicroSD Card is pre-formatted with the FAT filesystem and work with both the Full Filesystem Driver and FSRW. View more Specifications 2 GB storage space Preformatted with the FAT filesystem Operating Voltage: 3.3 V Communication: SPI mode, One-bit SD, Four-bit SD Dimensions: .59 x .43 x .04 in (1.5 x 1.1 x .1 cm)